How can warring bands get back together? As Ray and Dave Davies of the Kinks bury the hatchet, Peter Paphides looks at the stars who've tried to put verbal abuse, punch-ups and even burglary behind them

Eugene de Kock was the head of South Africa's death squad, which tortured and killed opponents of apartheid. Matthew Marsh, now playing De Kock in A Human Being Died That Night, recalls an astonishing meeting with the assassin in a Pretoria jail